When doing replacement or upgrading on 2000 – 2018 BMW X5 X1 X3 X4 X6 Adaptive capsule halogen headlamps HID LED with, the bulb size guide is necessary for you to take the reference.
Jump to corresponding car model with the catalog bellow.

Low Beam Headlight2012 – 2018 H7
High Beam Headlight2012 – 2018 H7
Front Fog Light2016 – 2018 H8
Back Up Light2012 – 2018 1156
Brake2012 – 2018 1156
Dome Light2012 – 2015 194
Front Turn Signal2012 – 2018 PY21W
Parking Light2013 – 2015 12961
2012 194
Rear Turn Signal2012 – 2018 1156
Tail Light2016 – 2018 12961
Luggage Compartment2012 – 2015 6411
Glove Box2012 – 2015 DE3423
Interior Door2016 – 2018 194
Map Light2012 – 2015 12961
Rear Reading Light2012 – 2015 H6W
Stepwell2012 – 2015 12961
High Beam and Low Beam Headlight2012 – 2015 D1S
Back Up Light2012 – 2015 1156
Brake2012 – 2015 1156
Daytime Running Light2012 – 2015 H8
Dome Light2012 – 2015 194
Front Turn Signal2012 – 2015 PY21W
Rear Turn Signal2012 – 2015 1156
Luggage Compartment2012 – 2015 6411
Glove Box2012 – 2015 DE3423
Map Light2012 – 2015 12961
Rear Reading Light2012 – 2015 H6W
Stepwell2012 – 2015 12961
Front Fog Light2016 – 2018 H8
Back Up Light2016 – 2018 1156
Brake2016 – 2018 1156
Front Turn Signal2016 – 2018 PY21W
Rear Turn Signal2016 – 2018 1156
Interior Door2016 – 2018 194
Low Beam Headlight2004 – 2018 H7
High Beam Headlight2004 – 2018 H7
Front Fog Light2004 – 2010 H8/H11/H16
Back Up Light2004 – 2006 1156
2007 – 2018 921
Brake2004 – 2006, 2011 – 2018 1156
2007 – 2010 921
Daytime Running Light2015 – 2018 7440
Dome Light2004 – 2010 DE3423
Front Side Marker2004 – 2010 12961
Front Turn Signal2011 – 2017 PY21W
2018 PY24NA
License Plate2004 – 2010 12844
Parking Light2004 – 2018 194
Rear Turn Signal2011 – 2015, 2017 – 2018 1156
2016 P21W
2004 – 2005, 2007 – 2010 PY21W
Front Inner Turn Signal2006 PY21W
2007 – 2010 PY24NA
Front Outer Turn Signal2006 – 2010 12396NA
Luggage Compartment2004 – 2010 6411
Courtesy2004 – 2006, 2011 – 2018 6418
Glove Box2011 – 2018 194
2007 – 2010 DE3423
Interior Door2007 – 2010 194
Map Light2007 – 2010 12961
Low Beam Headlight2007 – 2010 D1S
2004 – 2006 D2S
High Beam Headlight2004 – 2010 H7
High Beam and Low Beam Headlight2011 – 2018 D1S
Front Fog Light2004 – 2010 H8/H11/H16
Back Up Light2004 – 2006 1156
2007 – 2018 921
Brake2004 – 2006, 2011 – 2018 1156
2007 – 2010 921
Dome Light2004 – 2010 DE3423
Front Side Marker2004 – 2010 12961
Front Turn Signal2011 – 2017 PY21W
2018 PY24NA
License Plate2004 – 2010 12844
Parking Light2004 – 2010 194
Rear Turn Signal2011 – 2018 1156
2004 – 2005, 2007 – 2010 PY21W
Front Inner Turn Signal2006 PY21W
2007 – 2010 PY24NA
Front Outer Turn Signal2006 – 2010 12396NA
Luggage Compartment2004 – 2010 6411
Courtesy2004 – 2006, 2011 – 2018 6418
Glove Box2011 – 2018 194
2007 – 2010 DE3423
Interior Door2007 – 2010 194
Map Light2007 – 2010 12961
Back Up Light2011 – 2018 921
Brake2011 – 2018 1156
Front Turn Signal2011 – 2014 PY21W
2018 PY24NA
Rear Turn Signal2011 – 2018 1156
Courtesy2011 – 2018 6418
Glove Box2011 – 2018 194
High Beam and Low Beam Headlight2015 – 2018 D1S
Back Up Light2015 – 2018 1156
Brake2015 – 2018 1156
Front Turn Signal2015 – 2018 PY21W
Rear Turn Signal2015 – 2018 PW24WHTR
Courtesy2015 – 2018 6418
Glove Box2015 – 2018 12961
Back Up Light2015 – 2018 1156
Brake2015 – 2018 1156
Rear Turn Signal2015 – 2018 PW24WHTR
Courtesy2015 – 2018 6418
Glove Box2015 – 2018 12961
Low Beam Headlight2000 – 2013 H7
High Beam Headlight2000 – 2004 9005
2005 – 2013 H1
Front Fog Light2000 – 2001 H3-55W
2002 – 2013 H8/H11/H16
Back Up Light2000 – 2006 1156
2007 – 2013 921
Brake2000 – 2001, 2007 – 2013 1156
Dome Light2007 – 2013 194
Front Side Marker2007 – 2013 12396NA
Front Turn Signal2009 – 2013 PY24NA
2007 – 2008 PY24WSV
License Plate2000 – 2006 12844
2007 – 2008 6418
Parking Light2007 – 2013 12396NA
Rear Side Marker2002 – 2003, 2005 1157
2004, 2006 P21/5W
Rear Turn Signal2007 – 2013 1156
Tail Light2000 – 2001 1156
2002 – 2006 1157
Luggage Compartment2000 – 2013 12961
Door Mirror Illumination Light2000 – 2006 194
Glove Box2007 – 2013 12961
2000 – 2006 DE3423
Interior Door2007 – 2013 194
2000 – 2006 6418
Map Light2000 – 2006 12961
Rear Reading Light2007 – 2013 194
Stepwell2000 – 2006 12844
2007 – 2013 12961
Low Beam Headlight2000 – 2006 D2S
High Beam Headlight2000 – 2004 9005
2005 – 2006 H1
High Beam and Low Beam Headlight2007 – 2018 D1S
Front Fog Light2000 – 2001 H3-55W
2002 – 2013 H8/H11/H16
Back Up Light2000 – 2006 1156
2007 – 2013 921
Brake2000 – 2001, 2007 – 2013 1156
Daytime Running Light2007 – 2008 H8
2009 – 2013 H8/H11/H16
Dome Light2007 – 2013 194
Front Side Marker2007 – 2013 12396NA
Front Turn Signal2009 – 2018 PY24NA
2007 – 2008 PY24WSV
License Plate2000 – 2006 12844
2007 – 2008 6418
Parking Light2007 – 2013 12396NA
Rear Side Marker2003 – 2004, 2006 1157
2002, 2005 P21/5W
Rear Turn Signal2007 – 2013 1156
Tail Light2000 – 2001 1156
2002 – 2006 1157
Luggage Compartment2000 – 2013 12961
2014 – 2018 194
Door Mirror Illumination Light2000 – 2006 194
Glove Box2007 – 2013 12961
2000 – 2006 DE3423
Interior Door2007 – 2013 194
2000 – 2006 6418
Map Light2000 – 2006 12961
Rear Reading Light2007 – 2013 194
Stepwell2000 – 2006 12844
2007 – 2013 12961
Front Fog Light2007 – 2013 H8/H11/H16
Back Up Light2007 – 2013 921
Brake2007 – 2013 1156
Dome Light2007 – 2013 194
Front Side Marker2007 – 2013 12396NA
Front Turn Signal2009 – 2013 PY24NA
2007 – 2008 PY24WSV
License Plate2007 – 2008 6418
Parking Light2007 – 2013 12396NA
Rear Turn Signal2007 – 2013 1156
Luggage Compartment2007 – 2013 12961
Glove Box2007 – 2013 12961
Interior Door2007 – 2013 194
Rear Reading Light2007 – 2013 194
Stepwell2007 – 2013 12961
High Beam and Low Beam Headlight2013 – 2018 D1S
Back Up Light2013 – 2014 H21W
Brake2013 – 2014 1156
Daytime Running Light2013 – 2014 H8
Dome Light2013 – 2014 194
Front Side Marker2013 – 2014 12396NA
Front Turn Signal2013 – 2018 PY24NA
Parking Light2013 – 2014 12396NA
Rear Turn Signal2013 – 2014 H21W
Luggage Compartment2013 – 2014 12961
2015 – 2018 194
Glove Box2013 – 2014 12961
Interior Door2013 – 2014 194
Map Light2013 – 2014 12961
Stepwell2013 – 2014 12961
High Beam and Low Beam Headlight2008 – 2012 D1S
Front Fog Light2008 – 2012 H11
Back Up Light2008 – 2012 H21W
Brake2008 – 2012 1156
Daytime Running Light2008 – 2012 H8
Dome Light2008 – 2012 194
Front Side Marker2008 – 2012 12396NA
Front Turn Signal2008 – 2012 PY24NA
License Plate2008 – 2012 12844
Parking Light2008 – 2012 12396NA
Rear Turn Signal2008 – 2012 H21W
Luggage Compartment2008 – 2012 12961
Glove Box2008 – 2012 12961
Interior Door2008 – 2012 194
Map Light2008 – 2012 194
Stepwell2008 – 2012 12961
Back Up Light2013 – 2014 H21W
Brake2013 – 2014 1156
Dome Light2013 – 2014 194
Front Turn Signal2013 – 2014 PSY24WSV
Rear Turn Signal2013 – 2014 H21W
Luggage Compartment2013 – 2014 194
Glove Box2013 – 2014 12961
Interior Door2013 – 2014 194
Map Light2013 – 2014 12961
Stepwell2013 – 2014 12961